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(11)

EP 2 823 256 A1

(12)

(43) Date of publication: 14.01.2015 Bulletin 2015/03 (21) Application number: 13757365.5 (22) Date of filing: 28.02.2013

(51) International Patent Classification (IPC):  G01C 21/30(2006.01) G06T 17/05(2011.01) G01S 13/89(2006.01) (86) International application number: PCT/US2013/028138 (87) International publication number: WO 2013/134028 (12.09.2013 Gazette 2013/37)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME (30) Priority: 09.03.2012 US 201213416776 (71) Applicants: Gulfstream Aerospace Corporation Savannah, GA 31402 (US) Martin, Scott Levy, South Carolina 29927 (US)	(72) Inventor: MARTIN, Scott Levy, Sout Carolina 29927 (US) (74) Representative: Maiwald Patentanwalts GmbH  Jungfernstieg 38 20354 Hamburg 20354 Hamburg (DE)